* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: #000;
  color: #fff;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}
.page { min-height: 100vh; }

.intro, .outro {
  max-width: 920px;
  margin: 0 auto;
  padding: 14vh 24px;
}
.eyebrow {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: 12px;
  opacity: .75;
}
h1 {
  margin: 0 0 14px;
  font-weight: 700;
  font-size: clamp(28px, 5vw, 56px);
  line-height: 1.05;
}
p { margin: 0; max-width: 70ch; opacity: .9; }

.scroll-track {
  position: relative;
  height: 260vh;
}
.scene-pin {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  background: #000;
}
#scene {
  display: block;
  width: 100%;
  height: 100%;
}
.overlay {
  position: absolute;
  left: 24px;
  bottom: 24px;
  pointer-events: none;
}
.chip {
  border: 1px solid rgba(255, 255, 255, .45);
  background: rgba(0, 0, 0, .45);
  color: #fff;
  font-size: 12px;
  letter-spacing: .03em;
  padding: 8px 10px;
  text-transform: lowercase;
}

@media (max-width: 780px) {
  .intro, .outro { padding: 10vh 20px; }
  .scroll-track { height: 220vh; }
}